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Heart|Lab Grown|IGI

1.22ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG837646991

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837646991

Diamond specifications and retailer prices

From $330 SGD
As of November 4, 2026
Save $2,597 SGD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,926 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.22ct lab-grown heart diamond

This 1.22ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837646991 or 837646991. Listed at 13 retailers as of November 4, 2026, with prices from $330 to $2,926, a $2,597 spread on the same certified stone. Do Amore Diamonds lists it at $2,926. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837646991
Dimensions7.21 × 6.32 × 4.63 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.21 mm6.32 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837646991
Side View
Table 56.0%Crown 34.4°Girdle: STK-THKPavilion 41.9°Culet: NoneDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,926 SGD|Low: $323 SGD|High: $2,990 SGD|Avg: $1,342 SGD|-2.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 10$330 SGD
Retailer 2$464 SGD
Retailer 8$639 SGD
Retailer 12$681 SGD
Retailer 4$800 SGD
Retailer 5$1,056 SGD
Retailer 6$1,108 SGD
Retailer 11$1,256 SGD
Retailer 13$1,452 SGD
Retailer 7$1,810 SGD
Retailer 9$2,165 SGD
Retailer 3$2,543 SGD
Do Amore Diamonds$2,926 SGD

33 data points across 13 retailers

13 retailers$330 SGD to $2,926 SGD

A
Cheapest Retailer
-
$330 SGD
A
Retailer 2
-
$464 SGD
View
A
Retailer 3
-
$639 SGD
View
A
Retailer 4
-
$681 SGD
View
A
Retailer 5
-
$800 SGD
View
B+
Retailer 6
-
$1,056 SGD
View
B+
Retailer 7
-
$1,108 SGD
View
B+
Retailer 8
-
$1,256 SGD
View
B+
Retailer 9
-
$1,452 SGD
View
B+
Retailer 10
-
$1,810 SGD
View
B
Retailer 11
-
$2,165 SGD
View
B
Retailer 12
-
$2,543 SGD
View
Most Expensive
B
Do Amore Diamonds
27-4A63AF22A · Nov 4
$2,926 SGD
$2,290 USD
View
12 more retailers have this diamond
Prices start from $330 SGDSave up to $2,597 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.22ct Heart
$330 SGD